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1 /*
2  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
3  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License, version 2, as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
17  */
18 
19 #ifndef __ARM_KVM_ASM_H__
20 #define __ARM_KVM_ASM_H__
21 
22 /* 0 is reserved as an invalid value. */
23 #define c0_MPIDR	1	/* MultiProcessor ID Register */
24 #define c0_CSSELR	2	/* Cache Size Selection Register */
25 #define c1_SCTLR	3	/* System Control Register */
26 #define c1_ACTLR	4	/* Auxilliary Control Register */
27 #define c1_CPACR	5	/* Coprocessor Access Control */
28 #define c2_TTBR0	6	/* Translation Table Base Register 0 */
29 #define c2_TTBR0_high	7	/* TTBR0 top 32 bits */
30 #define c2_TTBR1	8	/* Translation Table Base Register 1 */
31 #define c2_TTBR1_high	9	/* TTBR1 top 32 bits */
32 #define c2_TTBCR	10	/* Translation Table Base Control R. */
33 #define c3_DACR		11	/* Domain Access Control Register */
34 #define c5_DFSR		12	/* Data Fault Status Register */
35 #define c5_IFSR		13	/* Instruction Fault Status Register */
36 #define c5_ADFSR	14	/* Auxilary Data Fault Status R */
37 #define c5_AIFSR	15	/* Auxilary Instrunction Fault Status R */
38 #define c6_DFAR		16	/* Data Fault Address Register */
39 #define c6_IFAR		17	/* Instruction Fault Address Register */
40 #define c9_L2CTLR	18	/* Cortex A15 L2 Control Register */
41 #define c10_PRRR	19	/* Primary Region Remap Register */
42 #define c10_NMRR	20	/* Normal Memory Remap Register */
43 #define c12_VBAR	21	/* Vector Base Address Register */
44 #define c13_CID		22	/* Context ID Register */
45 #define c13_TID_URW	23	/* Thread ID, User R/W */
46 #define c13_TID_URO	24	/* Thread ID, User R/O */
47 #define c13_TID_PRIV	25	/* Thread ID, Privileged */
48 #define c14_CNTKCTL	26	/* Timer Control Register (PL1) */
49 #define NR_CP15_REGS	27	/* Number of regs (incl. invalid) */
50 
51 #define ARM_EXCEPTION_RESET	  0
52 #define ARM_EXCEPTION_UNDEFINED   1
53 #define ARM_EXCEPTION_SOFTWARE    2
54 #define ARM_EXCEPTION_PREF_ABORT  3
55 #define ARM_EXCEPTION_DATA_ABORT  4
56 #define ARM_EXCEPTION_IRQ	  5
57 #define ARM_EXCEPTION_FIQ	  6
58 #define ARM_EXCEPTION_HVC	  7
59 
60 #ifndef __ASSEMBLY__
61 struct kvm;
62 struct kvm_vcpu;
63 
64 extern char __kvm_hyp_init[];
65 extern char __kvm_hyp_init_end[];
66 
67 extern char __kvm_hyp_exit[];
68 extern char __kvm_hyp_exit_end[];
69 
70 extern char __kvm_hyp_vector[];
71 
72 extern char __kvm_hyp_code_start[];
73 extern char __kvm_hyp_code_end[];
74 
75 extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
76 
77 extern void __kvm_flush_vm_context(void);
78 extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
79 
80 extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
81 #endif
82 
83 #endif /* __ARM_KVM_ASM_H__ */
84